Exodus 3:9-14
"And now the cry of the Israelites has reached me, and I have seen the way the Egyptians are oppressing them. So now, go. I am sending you to Pharaoh to bring my people the Israelites out of Egypt.”
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Moses said to God, “Suppose I go to the Israelites and say to them, ‘The God of your fathers has sent me to you,’ and they ask me, ‘What is his name?’ Then what shall I tell them?”
God said to Moses, “I am who I am. This is what you are to say to the Israelites: ‘I am has sent me to you.’”